#!/bin/sh
#
# BSD Router Project: Auto enable polling for interface that support it
#
# Copyright (c) 2009-2018, The BSDRP Development Team
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE PROJECT ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE PROJECT BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# PROVIDE: polling
# REQUIRE: netif
# KEYWORD: nojail
#
# Add the following to /etc/rc.conf[.local] to enable this service
#
# polling_enable="YES"
#

. /etc/rc.subr

polling_enable=${polling_enable-"NO"}

name="polling"
rcvar=${name}_enable

start_cmd="${name}_start"
stop_cmd="${name}_stop"

# List of supported drivers
# Get from the "man polling"
SUPPORTED_DEVICES="bge dc em igb fwe fwip fxp ixgb lem nfe nge re rl sf sis ste stge vge vr xl"
# Get the list of detected devices
DETECTED_DEVICES=$(ifconfig -l "ether")

polling_start()
{
	# If the device support it, enable polling:
	for DETECTED in ${DETECTED_DEVICES}; do
		for SUPPORTED in ${SUPPORTED_DEVICES}; do
			if echo ${DETECTED} | /usr/bin/grep -q "${SUPPORTED}"; then
				echo -n "Try to enable polling for: ${DETECTED}..."
				ifconfig ${DETECTED} polling && echo "done" || echo "failed"
				break
			fi
		done
	done
	exit 0
}

polling_stop()
{
	# Disable polling on all interface that support it:
	for DETECTED in ${DETECTED_DEVICES}; do
		for SUPPORTED in ${SUPPORTED_DEVICES}; do
			if echo ${DETECTED} | /usr/bin/grep -q "${SUPPORTED}"; then
				echo -n "Try to disable polling for: ${DETECTED}..."
				ifconfig ${DETECTED} -polling && echo "done" || echo "failed"
				break
			fi
		done
	done
	exit 0
}

load_rc_config $name

: ${polling_enable="NO"}
run_rc_command "$1"
